SIMATIC S7‑300 SM322 6ES7322‑1BL00‑0AA0 Galvanically‑Isolated 32‑Channel 24 V DC Transistor Digital Output Module
- Warranty： 365 days
- Quality: Original module
- Condition： New / Used
- Warehouse: Spot
- Delivery time: Shipped in 3 days after payment
- Mailbox：plcvarious@foxmail.com
Introduction
Brand
SIEMENS (Germany). Digital output module for SIMATIC S7‑300 PLC series. This model is EOL by original manufacturer, only new surplus and used spare parts available on market.
SIMATIC S7‑300 SM322 6ES7322‑1BL00‑0AA0
Full Product Name
SIMATIC S7‑300 SM322 6ES7322‑1BL00‑0AA0 Galvanically‑Isolated 32‑Channel 24 V DC Transistor Digital Output Module
‑ SM322: Digital output module of S7‑300 series
‑ 1BL00: 32‑channel transistor output
‑ 0AA0: hardware revision
‑ Specification: 32 DO channels, 4 groups of 8 channels with group‑wise isolation, rated 0.5 A per channel, equipped with one 40‑pin front connector, for S7‑300 rack slot installation.
Main Functions
- Converts CPU logic status into 24 VDC switching signals for field loads. 32 output channels, 0.5 A rated per channel, max. 4 A per group, total 16 A maximum for whole module under horizontal mounting at 40 ℃.
- Group‑wise galvanic isolation between output side and PLC backplane bus for noise immunity. Electronic short‑circuit protection per channel to avoid hardware damage.
- Green status LED per channel for visual output status indication. No wire‑break or missing‑load diagnosis. Supports resistive, inductive and lamp loads. Max switching frequency: 100 Hz for resistive load, 0.5 Hz for inductive load.
- Communicates with CPU via S7‑300 backplane bus, auto‑addressing by STEP 7 software. Hot‑swap supported with active backplane.
- Load supply 24 VDC (20.4‑28.8 V). 40‑pin front connector for field wiring, designed for high‑density discrete‑output applications.
Applications
- Automation production‑line control: Packaging machines, conveyor systems and 3‑C manufacturing lines. Drives large quantity of 24V solenoid valves, cylinders, pilot lamps, buzzers and small DC relays.
- Bulk control for valves, indicator lamps and sound‑light alarms in chemical, water‑treatment and environmental‑protection plants.
- S7‑300 control systems and ET200M remote I/O stations, providing massive discrete outputs for equipment start‑stop and actuator control.
- Spare‑part replacement for legacy S7‑300 installations. Suitable for low‑current DC loads; external relays are recommended for high‑current actuators.
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